KR101791312B1 - Complex measurant apparatus of hollow type axle shaft for vehicle - Google Patents

Complex measurant apparatus of hollow type axle shaft for vehicle Download PDF

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Publication number
KR101791312B1
KR101791312B1 KR1020150150906A KR20150150906A KR101791312B1 KR 101791312 B1 KR101791312 B1 KR 101791312B1 KR 1020150150906 A KR1020150150906 A KR 1020150150906A KR 20150150906 A KR20150150906 A KR 20150150906A KR 101791312 B1 KR101791312 B1 KR 101791312B1
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KR
South Korea
Prior art keywords
inner diameter
diameter portion
measuring unit
shape
hollow shaft
Prior art date
Application number
KR1020150150906A
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Korean (ko)
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KR20170049954A (en
Inventor
주춘식
Original Assignee
현대위아 주식회사
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Priority to KR1020150150906A priority Critical patent/KR101791312B1/en
Publication of KR20170049954A publication Critical patent/KR20170049954A/en
Application granted granted Critical
Publication of KR101791312B1 publication Critical patent/KR101791312B1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/0025—Measuring of vehicle parts
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/10—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
    • G01B21/12—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters of objects while moving
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/10—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
    • G01B21/14—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters internal diameters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/18—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring depth
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/20—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
    • G01B5/12—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters internal diameters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/18—Measuring arrangements characterised by the use of mechanical techniques for measuring depth
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures

Abstract

The present invention relates to a composite measuring device for a hollow axle shaft for a vehicle, and more particularly to a hollow measuring device for a hollow axle shaft for a vehicle which can efficiently measure the shape, depth, The present invention relates to a combined measuring device for an axle shaft.
According to the composite measurement device for a hollow shaft of the present invention, there is an advantage that the hollow axle shaft can be measured non-destructively without breaking. Further, according to the composite measuring apparatus for a hollow shaft of the present invention, the shape of the inner diameter portion, the shape of the outer diameter portion, the depth of the inner diameter portion, and the length of the electric field of the hollow axle shaft can be measured in one composite measuring apparatus, There is an effect that the efficiency can be increased. Further, according to the composite measurement apparatus for a hollow shaft of the present invention, it is possible to perform quality assurance and quality history management by quantifying the depth (inner diameter section) inspection of the inner diameter portion.

Description

Technical Field [0001] The present invention relates to a composite measuring apparatus for a hollow type axle shaft for a vehicle,

The present invention relates to a composite measuring device for a hollow axle shaft for a vehicle, and more particularly to a hollow measuring device for a hollow axle shaft for a vehicle which can efficiently measure the shape, depth, The present invention relates to a combined measuring device for an axle shaft.

BACKGROUND ART An axle shaft applied to a vehicle refers to an axle that drives a wheel. A hollow axle shaft has been developed as one of a vehicle weight reduction method for improving fuel economy of a vehicle.

Various methods for manufacturing such a hollow axle shaft have been developed and quality inspection is carried out after the manufacture is completed. That is, the shape of the inner diameter portion of the manufactured hollow axle shaft, the depth of the inner diameter portion, the shape of the outer diameter portion, and the length of the electric field are measured to check the quality.

1 is a photograph showing a state in which a conventional hollow type axle shaft is broken to examine an inner diameter portion thereof.

As shown in FIG. 1, conventionally, in order to examine the quality of the hollow axle shaft, in particular, the quality of the inner diameter portion, the shape and depth of the inner diameter portion were directly measured after breaking the hollow axle shaft using a cutting machine.

Such a conventional method of inspecting the quality of a hollow axle shaft requires not only a long working time such as a breaking operation using a cutting machine but also a universal test tool for measuring the shape of the outer diameter portion and the length of the electric field, And an increase in production cost due to an increase in working time.

Open Patent No. 10-2014-0122511 (published on October 20, 2014) Registered Patent No. 10-0845516 (Registered on July 4, 2008)

SUMMARY OF THE INVENTION It is an object of the present invention to provide a composite measuring device for a hollow shaft which can be non-destructively measured without breaking the hollow axle shaft.

It is another object of the present invention to provide a composite measuring device capable of measuring the shape of the inner diameter portion, the shape of the outer diameter portion, the depth of the inner diameter portion, and the length of the electric field, And to provide a composite measurement apparatus for a hollow shaft.

The objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, the present invention provides a hollow shaft having a first inner diameter portion having a first inner diameter and a second inner diameter portion having a second inner diameter larger than the first inner diameter; A table on which the hollow shaft is mounted; A first rail provided around the table; And an inner diameter measuring unit moving on the first rail and measuring a shape of the first inner diameter portion, wherein the inner diameter measuring unit includes a first probe for probing the inner surface of the first inner diameter portion And a hollow shaft of the first shaft.

In a preferred embodiment, the hollow shaft is a hollow axle shaft for a vehicle.

In a preferred embodiment, the inner diameter measuring portion has a digital gauge showing a change occurring as the first probe moves on the inner surface of the first inner diameter portion.

In a preferred embodiment, rotation drive means for rotationally driving the hollow shaft; And an outer diameter measuring unit moving the first rail and measuring the shape of the outer diameter of the hollow shaft, wherein the outer diameter measuring unit has a second probe for probing an outer surface of the outer diameter portion .

In a preferred embodiment, the second rail is provided around the first rail. And an inner diameter depth measuring unit that moves the second rail and measures a depth of the first inner diameter portion, wherein the inner diameter measuring unit includes a first sensing sensor for sensing a change of the first probe do.

In a preferred embodiment, the third rail is provided around the table; And a total length measuring unit moving the third rail and measuring a length of the total length of the hollow shaft, wherein the total length measuring unit includes a second sensing unit for sensing an entrance position of the first inner diameter part, Sensor.

In a preferred embodiment, the display unit further includes a display unit for displaying the shape of the first inner diameter portion, the shape of the outer diameter portion, the depth of the first inner diameter portion, or the length of the total length of the hollow shaft.

The present invention has the following excellent effects.

First, according to the composite measurement apparatus for a hollow shaft of the present invention, there is an advantage that the hollow axle shaft can be measured non-destructively without breaking.

Further, according to the composite measuring apparatus for a hollow shaft of the present invention, the shape of the inner diameter portion, the shape of the outer diameter portion, the depth of the inner diameter portion, and the length of the electric field of the hollow axle shaft can be measured in one composite measuring apparatus, There is an effect that the efficiency can be increased.

Further, according to the axle composite measuring apparatus of the hollow shaft of the present invention, there is an effect that quality assurance and quality history management can be performed through numerical evaluation of the depth (inner diameter section) inspection of the inner diameter portion.

1 is a photograph showing a state in which a conventional hollow type axle shaft is broken to examine an inner diameter portion thereof.
2 is a view for explaining a combined measurement device for a hollow axle shaft according to an embodiment of the present invention.

Although the terms used in the present invention have been selected as general terms that are widely used at present, there are some terms selected arbitrarily by the applicant in a specific case. In this case, the meaning described or used in the detailed description part of the invention The meaning must be grasped.

Hereinafter, the technical structure of the present invention will be described in detail with reference to preferred embodiments shown in the accompanying drawings.

However, the present invention is not limited to the embodiments described herein but may be embodied in other forms. Like reference numerals designate like elements throughout the specification.

2 is a view for explaining a combined measurement device for a hollow axle shaft according to an embodiment of the present invention.

Referring to FIG. 2, a hollow shaft type combined measurement apparatus 100 according to an embodiment of the present invention includes a hollow shaft 10, a table 12, an inner diameter measurement unit 110, An inner diameter depth measuring unit 130, a total length measuring unit 140, and the like. In the composite measurement device 100 for a hollow axle shaft according to an embodiment of the present invention, the shape of the inner diameter portion of the hollow axle shaft, the shape of the outer diameter portion, the depth of the inner diameter portion, So that the efficiency of the work can be increased.

The hollow shaft 10 is a hollow axle shaft for a vehicle. The hollow shaft 10 has a first inner diameter portion a having a first inner diameter and a second inner diameter portion having a second inner diameter larger than the first inner diameter b) in the form of a hollow.

The hollow shaft 10 is mounted on the table 12 for quality measurement and is in contact with a stopper 11 serving as a reference point for measurement of the electrical length.

The table 120 is provided with rotation driving means (not shown) capable of rotating the hollow shaft 10 for measuring the shape of an outer diameter portion to be described later.

Rails (a first rail, a second rail, and a third rail) are provided in the periphery of the table so that each of the measuring portions can be measured while using the rail image.

The inner diameter measuring unit 110 includes a main body 112, a first probe 113 and a digital gauge 114. The inner diameter measuring unit 110 measures the shape of the first inner diameter portion a.

The main body 112 of the inner diameter measuring unit 110 is provided on the first rail 13 and the first probe 113 and the digital gauge 114 are provided.

The first probe 113 serves to probe the inner surface of the first inner diameter portion a. The end of the first probe 113 extends in the vertical direction, and the first inner diameter portion a As shown in FIG.

The digital gauge 114 shows the change that occurs as the first probe 113 moves on the inner surface of the first inside diameter portion (a) in numerical or gradual scale.

The internal diameter measuring unit 110 may include a sensor for detecting a change of the first probe 113. The sensor may detect a change of the first probe 113, (Not shown).

That is, as the inner diameter measuring unit 110 moves on the first rail 13, the first probe 113 is also probed along the inner surface of the first inner diameter portion a. At this time, the position of the first probe 113 changes according to the inner surface shape of the first inner diameter portion (a), and the change is displayed on the digital gauge 114 through a numerical value or a scale, The inner surface shape of the inner diameter portion (a) can be measured.

The outer shape measuring unit 120 includes a main body 121, a second probe 122 and a digital gauge 123. The shape of the outer diameter portion of the hollow shaft 10 is measured.

The main body 121 of the outer shape measuring unit 120 is provided on the first rail 13 and includes the second probe 122 for probing the outer surface of the outer diameter portion.

The second probe 122 serves to probe the outer surface of the outer diameter portion, and moves along the outer surface of the outer diameter portion. At this time, the hollow shaft 10 is rotated by the rotation driving means (not shown).

When the hollow shaft 10 rotates, the second probe 122 moves while probing along the outer diameter of the hollow shaft 10 rotating. The main body 121 of the outer shape measuring unit 120 is moved at a predetermined position along the first rail 13 and the second probe 122 is moved to a predetermined position, Is measured while probing along the outer diameter of the hollow shaft 10 rotating again.

Like the inner diameter measuring unit 110, the outer diameter measuring unit 120 may include a digital gauge 123 and a sensing sensor, and the digital gauge 123 may be configured such that the second probe 122 has the outer diameter Shows the changes that occur as you move from the outer surface of the volume in numerical or graduated increments. The sensing sensor senses a change in the second probe 122 and sends a signal to the digital gauge 123 to display the change.

That is, according to the rotation of the hollow shaft 10 and the movement of the hollow shaft 10 on the first rail 13, the second probe 122 also probes along the outer surface of the outer diameter portion . At this time, the position of the second probe 122 changes according to the outer surface shape of the outer diameter portion, and the change of the outer surface shape of the outer diameter portion is measured by the numerical value or scale of the digital gauge 123 can do.

The inner diameter depth measuring unit 130 includes a main body and a first sensing sensor 131. The depth h of the first inner diameter portion a is measured.

The body of the inner diameter depth measuring unit 130 is provided on the second rail 13-1 and includes a first sensing sensor 131 for sensing a change of the first probe 113. [

The first sensing sensor 131 senses a change of the first probe 113, and moves along with the movement of the inner diameter measuring unit 110.

That is, the first sensing sensor 131 senses a position where the first probe 113 starts to enter the entrance of the first inside diameter portion (a), and generates a signal. The first probe 113 moves along the inner surface of the first inner diameter portion a and detects a position at which the first probe 113 starts to enter the second inner diameter portion b .

The inner diameter depth measuring unit 130 analyzes the sensing signals to measure the depth h of the first inner diameter portion. The measured depth h value of the first inner diameter portion can be shown on a display unit (not shown) to be described later.

The total length measuring unit 140 includes a main body 141, a guide member 142 and a second sensing sensor 143. The length H1-H2 of the total length of the hollow shaft 10 is measured do.

The main body 141 of the total length measuring part 140 is provided on the third rail 13-2 and is fixed to a stopper 14 serving as a reference point for measurement of the length of the electric wire.

The main body 141 of the full length length measuring unit 140 includes a guide member 142 which is in contact with an inlet position of the first inner diameter portion a, And a second detection sensor 143 for detecting the first detection signal.

That is, when the guide member 142 comes into contact with the inlet of the first inner diameter portion (a), the second sensing sensor 143 senses the position H2 and generates a signal.

The total length measuring unit 140 analyzes the sensing signal to measure the length (H1-H2) of the total length of the hollow shaft. At this time, the value H1 is a value measured as a length between the stopper 11 and the stopper 14 of the third rail 13-2. The measured length H1-H2 of the total length can be displayed on a display unit (not shown).

The display unit displays the measured shape of the first inner diameter portion a, the shape of the outer diameter portion, the depth h of the first inner diameter portion a or the length H1-H2 of the total length of the hollow shaft 10 ).

As described above, in the composite measurement apparatus 100 for a hollow axle shaft according to an embodiment of the present invention, the shape of the inner diameter portion (a) of the hollow axle shaft 10, the shape of the outer diameter portion, The depth h of the neck part (a) and the length (H! -H2) of the total length can be measured and the efficiency of the work can be increased. The quality assurance and the quality history management can be achieved through numerical evaluation of the depth (h) of the inner diameter portion (a) of the hollow axle shaft 10.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation, Various changes and modifications will be possible.

100: Composite measuring device for hollow shaft
10: hollow shaft 110: inner diameter shape measuring unit
120: outer diameter shape measuring unit 130: inner diameter depth measuring unit
140: total length measuring unit

Claims (7)

A hollow shaft having a first inner diameter portion having a first inner diameter and a second inner diameter portion having a second inner diameter larger than the first inner diameter;
A table on which the hollow shaft is mounted;
A first rail provided around the table; And
And an inner diameter measuring unit moving on the first rail and measuring the shape of the first inner diameter portion,
The inner diameter measuring unit includes a first probe for probing the inner surface of the first inner diameter portion,
A second rail disposed around the first rail; And
And an inner diameter depth measuring unit that moves the second rail and measures a depth of the first inner diameter portion,
Wherein the inner diameter depth measuring unit includes a first sensing sensor for sensing a change of the first probe. The method according to claim 1,
Wherein the hollow shaft is a hollow shaft of an automobile. 3. The method of claim 2,
Wherein the inner diameter measuring unit has a digital gauge that shows a change occurring as the first probe moves on the inner surface of the first inner diameter portion. The method of claim 3,
Rotation driving means for rotationally driving the hollow shaft; And
And an outer diameter measuring unit that moves the first rail and measures the shape of the outer diameter of the hollow shaft,
Wherein the outer shape measuring unit includes a second probe for probing the outer surface of the outer diameter portion. delete The method of claim 3,
A third rail provided around the table; And
And a total length measuring unit moving the third rail and measuring the length of the total length of the hollow shaft,
Wherein the total length measuring unit includes a second sensing sensor for sensing an entrance position of the first inner diameter portion. The method according to claim 4 or 6,
Further comprising a display unit for displaying the shape of the first inner diameter portion, the shape of the outer diameter portion, the depth of the first inner diameter portion, or the length of the total length of the hollow shaft.
KR1020150150906A 2015-10-29 2015-10-29 Complex measurant apparatus of hollow type axle shaft for vehicle KR101791312B1 (en)

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KR1020150150906A KR101791312B1 (en) 2015-10-29 2015-10-29 Complex measurant apparatus of hollow type axle shaft for vehicle

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Application Number Priority Date Filing Date Title
KR1020150150906A KR101791312B1 (en) 2015-10-29 2015-10-29 Complex measurant apparatus of hollow type axle shaft for vehicle

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KR101791312B1 true KR101791312B1 (en) 2017-10-27

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CN111412876B (en) * 2020-04-03 2021-11-12 深圳市国佳网络科技有限公司 Intelligence house measuring tool

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010096560A (en) 2008-10-15 2010-04-30 Kamijima Denkosha Co Ltd Female screw measurement device for ball screw

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010096560A (en) 2008-10-15 2010-04-30 Kamijima Denkosha Co Ltd Female screw measurement device for ball screw

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